Distributed Bragg Deflectors Fabricated in Sol-Gel Based Waveguides

Richard L. Davis; William Long; Chia Jean Wang; Terrance Lam; James G. Ho; Paul M. Nachman; James Poylio; Oleg V. Mishechkin; Mahmoud Fallahi

doi:10.1109/LPT.2003.821255

Distributed Bragg Deflectors Fabricated in Sol-Gel Based Waveguides

Richard L. Davis, William Long, Chia Jean Wang, Terrance Lam, James G. Ho, Paul M. Nachman, James Poylio, Oleg V. Mishechkin, Mahmoud Fallahi

Optical Sciences

Research output: Contribution to journal › Article › peer-review

8 Scopus citations

Abstract

We report the fabrication and first demonstration of a grating-coupled waveguide device called a distributed Bragg deflector (DBD). The device consists of a grating imprinted on a channel waveguide, which is in turn, embedded in a planar guide. Light propagating in the channel waveguide is coupled to a well-collimated, planar waveguide-propagating beam at nominally a right angle to the channel. The precise angle of the planar waveguide beam (the diffracted beam) is determined by the Bragg condition for the incident wavelength. The diffracted beams complex amplitude profile can be controlled by adjusting properties of the grating. Our devices were designed for operation at around 1.55 μm. In accordance with theory, the DBDs diffraction efficiency exhibits a strong polarization dependence. Both 1- and 4-cm-long grating devices have been evaluated.

Original language	English (US)
Pages (from-to)	464-466
Number of pages	3
Journal	IEEE Photonics Technology Letters
Volume	16
Issue number	2
DOIs	https://doi.org/10.1109/LPT.2003.821255
State	Published - Feb 2004

Keywords

Diffraction gratings
Integrated optics
Optical scattering
Waveguides

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Atomic and Molecular Physics, and Optics
Electrical and Electronic Engineering

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10.1109/LPT.2003.821255

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title = "Distributed Bragg Deflectors Fabricated in Sol-Gel Based Waveguides",

abstract = "We report the fabrication and first demonstration of a grating-coupled waveguide device called a distributed Bragg deflector (DBD). The device consists of a grating imprinted on a channel waveguide, which is in turn, embedded in a planar guide. Light propagating in the channel waveguide is coupled to a well-collimated, planar waveguide-propagating beam at nominally a right angle to the channel. The precise angle of the planar waveguide beam (the diffracted beam) is determined by the Bragg condition for the incident wavelength. The diffracted beams complex amplitude profile can be controlled by adjusting properties of the grating. Our devices were designed for operation at around 1.55 μm. In accordance with theory, the DBDs diffraction efficiency exhibits a strong polarization dependence. Both 1- and 4-cm-long grating devices have been evaluated.",

keywords = "Diffraction gratings, Integrated optics, Optical scattering, Waveguides",

author = "Davis, {Richard L.} and William Long and Wang, {Chia Jean} and Terrance Lam and Ho, {James G.} and Nachman, {Paul M.} and James Poylio and Mishechkin, {Oleg V.} and Mahmoud Fallahi",

note = "Funding Information: Manuscript received May 9, 2003; revised September 26, 2003. This work was supported by the Defense Advanced Research Projects Agency under contract no. MDA972-00-C-0016. R. L. Davis, W. Long, C.-J. Wang, T. Lam, J. G. Ho, P. M. Nachman, and J. Poylio are with Northrop Grumman Space Technology, One Space Park, Redondo Beach, CA 90278 USA (e-mail: [email protected]). O. V. Mishechkin and M. Fallahi are with the Optical Sciences Center, University of Arizona, 1630 E. University Blvd., Tucson, Arizona 85721 USA. Digital Object Identifier 10.1109/LPT.2003.821255 Fig. 1. Schematic diagram of a distributed Bragg deflector (DBD) comprising a channel waveguide and waveguide grating embedded in a planar waveguide.",

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doi = "10.1109/LPT.2003.821255",

language = "English (US)",

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pages = "464--466",

journal = "IEEE Photonics Technology Letters",

issn = "1041-1135",

publisher = "Institute of Electrical and Electronics Engineers Inc.",

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T1 - Distributed Bragg Deflectors Fabricated in Sol-Gel Based Waveguides

AU - Davis, Richard L.

AU - Long, William

AU - Wang, Chia Jean

AU - Lam, Terrance

AU - Ho, James G.

AU - Nachman, Paul M.

AU - Poylio, James

AU - Mishechkin, Oleg V.

AU - Fallahi, Mahmoud

N1 - Funding Information: Manuscript received May 9, 2003; revised September 26, 2003. This work was supported by the Defense Advanced Research Projects Agency under contract no. MDA972-00-C-0016. R. L. Davis, W. Long, C.-J. Wang, T. Lam, J. G. Ho, P. M. Nachman, and J. Poylio are with Northrop Grumman Space Technology, One Space Park, Redondo Beach, CA 90278 USA (e-mail: [email protected]). O. V. Mishechkin and M. Fallahi are with the Optical Sciences Center, University of Arizona, 1630 E. University Blvd., Tucson, Arizona 85721 USA. Digital Object Identifier 10.1109/LPT.2003.821255 Fig. 1. Schematic diagram of a distributed Bragg deflector (DBD) comprising a channel waveguide and waveguide grating embedded in a planar waveguide.

PY - 2004/2

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N2 - We report the fabrication and first demonstration of a grating-coupled waveguide device called a distributed Bragg deflector (DBD). The device consists of a grating imprinted on a channel waveguide, which is in turn, embedded in a planar guide. Light propagating in the channel waveguide is coupled to a well-collimated, planar waveguide-propagating beam at nominally a right angle to the channel. The precise angle of the planar waveguide beam (the diffracted beam) is determined by the Bragg condition for the incident wavelength. The diffracted beams complex amplitude profile can be controlled by adjusting properties of the grating. Our devices were designed for operation at around 1.55 μm. In accordance with theory, the DBDs diffraction efficiency exhibits a strong polarization dependence. Both 1- and 4-cm-long grating devices have been evaluated.

AB - We report the fabrication and first demonstration of a grating-coupled waveguide device called a distributed Bragg deflector (DBD). The device consists of a grating imprinted on a channel waveguide, which is in turn, embedded in a planar guide. Light propagating in the channel waveguide is coupled to a well-collimated, planar waveguide-propagating beam at nominally a right angle to the channel. The precise angle of the planar waveguide beam (the diffracted beam) is determined by the Bragg condition for the incident wavelength. The diffracted beams complex amplitude profile can be controlled by adjusting properties of the grating. Our devices were designed for operation at around 1.55 μm. In accordance with theory, the DBDs diffraction efficiency exhibits a strong polarization dependence. Both 1- and 4-cm-long grating devices have been evaluated.

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KW - Integrated optics

KW - Optical scattering

KW - Waveguides

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Distributed Bragg Deflectors Fabricated in Sol-Gel Based Waveguides

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